Mainframe Engineer Jobs in Alpharetta, USA 2026

Skilled in z/OS performance and capacity management? A 12-month contract with extension is open in Alpharetta, Georgia. US citizens, Green Card holders, and candidates on H-1B, OPT-EAD, CPT, and H4-EAD are accepted. If keeping large mainframe environments fast and stable excites you, this role offers deep technical scope.

About the Role

You will monitor real-time z/OS health across CPU, memory, DASD, and WLM-managed workloads. This includes using RMF, SmartIS, and MICS to analyse performance data and spot bottlenecks. Additionally, you will resolve production performance problems and recommend tuning changes to service definitions and dispatching priorities.

You will also support capacity planning, cost modelling, and SCRT vendor reporting. The role includes building dashboards and presenting findings to senior leadership. It pays $78 per hour on a C2C basis, within the government domain, with on-call rotations.

About the Hiring Firm

This contract is posted by Machine Learning Technologies LLC, an IT consulting and staffing company. It describes itself as an enterprise applications firm focused on AI and machine learning. The company runs a jobs portal covering mainframe, ERP, and software roles across the US. It engages talent on W-2, 1099, and corporate-to-corporate terms.

The end client for this role is in the government domain and will be named later. Public filings show the firm sponsors H-1B workers.

Job Duties

• Monitor z/OS system health and performance in real time
• Analyse SMF and RMF data to identify trends and bottlenecks
• Resolve workload anomalies through WLM and batch initiator adjustments
• Support capacity planning, cost modelling, and SCRT reporting
• Build performance dashboards and present findings to leadership
• Take part in on-call rotations and DevOps tooling migration

Job Requirements

• Bachelor’s degree in information systems, mathematics, finance, or a related field
• 12+ years’ mainframe experience in multi-LPAR, Parallel Sysplex z/OS environments
• Proven performance monitoring, capacity management, and data analysis
• Proficiency in JCL and DB2, with basic PR/SM knowledge
• Advanced Excel and PowerPoint skills
• REXX or Python, SCRT, and MICS experience are a plus

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Conclusion

This role suits senior mainframe specialists ready for a hands-on performance contract. With a strong hourly rate and flexible engagement types, the terms are clear. For engineers with existing work authorization, this is a practical next assignment.

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